Item Information

Dimensions (mm) 12 x 11 x 2mm
Weight (carats) not provided
Certified Gemstone


This is a  pair of well carved shells with ROSE flowers carvings on it. The pearl [nacre ] shell glistens like opal colour.

Ideal for earrings.

 Weight 4.95 cts app

Size 12 X 11 X 2 mm app

Nacre is made mostly of aragonite--a calcium carbonate crystal--arranged in 500-nanometer-thick layers. It forms from ions in seawater that washes through an organic "scaffold" of thin, interconnected, horizontal sheets--the animal essentially lays the "mortar" before filling in the "bricks." The iridescence of mother-of-pearl comes from the interference of light as it reflects from the thin, crystalline layers. But the beauty is only part of what drew Pupa Gilbert, of the University of Wisconsin, Madison, to study nacre. "Materials scientists have been interested in mother-of-pearl for decades because this material is 3000 times more resistant to fracture than its components," she says, referring to the organic and crystalline constituents.

2d 5h 28m 39s

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Pricing & Details

Bid Increment $1.00
Starting Bid $11.00
Auction ID 174386
Watchers 1 watching
Viewed 480 times
Starts 21st Oct 2016 10:02pm PDT
Ends 24th Oct 2016 10:00pm PDT

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